+ | Poorly done emissive texture

srcs/class/ObjParser.cpp

@@ -249,6 +249,7 @@ void	ObjParser::parseMtl(std::stringstream &input_line, Scene &scene)
 			mat = new Material;
 			memset(mat, 0, sizeof(Material));
 			mat->texture_index = -1;
+			mat->emission_texture_index = -1;
 			mat->refraction = 1.0f;
 			mat->roughness = 1.0f;
 			mat->metallic = 1.0f;
@@ -324,6 +325,16 @@ void	ObjParser::parseMtl(std::stringstream &input_line, Scene &scene)
 			mat->texture_index = scene.getTextures().size();
 			scene.addTexture(getFilePath(_filename) + path);
 		}
+		else if (identifier == "map_Ke")
+		{
+			std::string path;
+
+			if (!(lineStream >> path))
+				throw std::runtime_error("OBJ: syntax error while getting material texture");
+
+			mat->emission_texture_index = scene.getEmissionTextures().size();
+			scene.addEmissionTexture(getFilePath(_filename) + path);
+		}
 		else
 			std::cerr << "unsupported material setting : " << identifier << std::endl;
 	}

srcs/class/Scene.cpp

@@ -217,6 +217,7 @@ void		Scene::addMaterial(Material *material)
 	gpu_mat.refraction = material->refraction;
 	gpu_mat.type = material->type;
 	gpu_mat.texture_index = material->texture_index;
+	gpu_mat.emission_texture_index = material->emission_texture_index;
 
 	_gpu_materials.push_back(gpu_mat);
 }
@@ -225,6 +226,11 @@ void		Scene::addTexture(std::string path)
 	_textures.push_back(path);
 }
 
+void		Scene::addEmissionTexture(std::string path)
+{
+	_emission_textures.push_back(path);
+}
+
 bool		Scene::loadTextures()
 {
 	for (std::string &path : _textures)
@@ -301,11 +307,21 @@ std::vector<GLuint>				&Scene::getTextureIDs()
 	return (_gpu_textures);
 }
 
+std::vector<GLuint>				&Scene::getEmissionTextureIDs()
+{
+	return (_gpu_emission_textures);
+}
+
 std::vector<std::string>		&Scene::getTextures()
 {
 	return (_textures);
 }
 
+std::vector<std::string>		&Scene::getEmissionTextures()
+{
+	return (_emission_textures);
+}
+
 GPUVolume						&Scene::getVolume()
 {
 	return (_gpu_volume);

srcs/class/Shader.cpp

@@ -67,7 +67,7 @@ Shader::Shader(std::string vertexPath, std::string fragmentPath, std::string com
 	const char *fragmentCode = loadFileWithIncludes(fragmentPath);
 	const char *computeCode = loadFileWithIncludes(computePath);
 
-	// printWithLineNumbers(computeCode);
+	printWithLineNumbers(computeCode);
 
 	_vertex = glCreateShader(GL_VERTEX_SHADER);
 	
@@ -208,7 +208,7 @@ void	Shader::set_mat4(const std::string &name, const glm::mat4 &value) const
 	glUniformMatrix4fv(glGetUniformLocation(_program_compute, name.c_str()), 1, GL_FALSE, glm::value_ptr(value));
 }
 
-void	Shader::set_textures(const std::vector<GLuint> textureIDs)
+void	Shader::set_textures(std::vector<GLuint> textureIDs)
 {
 	for (size_t i = 0; i < textureIDs.size(); i++)
 	{
@@ -220,6 +220,18 @@ void	Shader::set_textures(const std::vector<GLuint> textureIDs)
 	}
 }
 
+void	Shader::set_emission_textures(std::vector<GLuint> textureIDs)
+{
+	for (size_t i = 0; i < textureIDs.size(); i++)
+	{
+		glActiveTexture(GL_TEXTURE0 + i);
+		glBindTexture(GL_TEXTURE_2D, textureIDs[i]);
+
+		std::string uniform_name = "emission_textures[" + std::to_string(i) + "]";
+		glUniform1i(glGetUniformLocation(_program_compute, uniform_name.c_str()), i);
+	}
+}
+
 GLuint	Shader::getProgram(void) const
 {
 	return (_program);